| 21:09 PST |  Overcast Light Freezing Rain | -1°C / 30°F | -1°C / 30°F | 100% | 1013 mb (29.91 in) | NE 7 kph (NE 4.6 mph) | 0.25 mm (0.01 in) | 3SM |
| | KDEW 160509Z AUTO 03004KT 3SM -FZRA BR FEW007 OVC013 M01/M01 A2992 RMK AO2 UPE03FZRAB03 P0001 |
| 20:53 PST |  Overcast Unknown Precip | -1°C / 30°F | -1°C / 30°F | 100% | 1013 mb (29.91 in) | N 6 kph (N 3.5 mph) | 1.52 mm (0.06 in) | 4SM |
| | KDEW 160453Z AUTO 01003KT 4SM UP BR FEW007 OVC013 M01/M01 A2992 RMK AO2 UPB49SNE49 SLP156 P0006 T10061011 |
| 20:39 PST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1013 mb (29.91 in) | NNE 7 kph (NNE 4.6 mph) | 1.52 mm (0.06 in) | 3SM |
| | KDEW 160439Z AUTO 02004KT 3SM -SN BR BKN007 OVC013 M01/M02 A2992 RMK AO2 P0006 |
| 20:13 PST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb (29.94 in) | NE 6 kph (NE 3.5 mph) | 1.02 mm (0.04 in) | 1SM |
| | KDEW 160413Z AUTO 04003KT 1SM -SN BR OVC007 M01/M02 A2993 RMK AO2 P0004 |
| 19:53 PST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb (29.94 in) | NE 6 kph (NE 3.5 mph) | 1.78 mm (0.07 in) | 3/4SM |
| | KDEW 160353Z AUTO 04003KT 3/4SM -SN BR OVC007 M01/M02 A2993 RMK AO2 SLP158 P0007 T10111022 |
| 18:53 PST |  Overcast Light Snow | -2°C / 28°F | -2°C / 28°F | 100% | 1014 mb (29.94 in) | NNE 9 kph (NNE 5.8 mph) | 0.76 mm (0.03 in) | 1 3/4SM |
| | KDEW 160253Z AUTO 02005KT 1 3/4SM -SN BR OVC009 M02/M02 A2993 RMK AO2 SLP160 P0003 60009 T10171022 57001 |
| 18:32 PST |  Overcast Light Snow | -2°C / 28°F | -2°C / 28°F | 100% | 1014 mb (29.94 in) | NE 7 kph (NE 4.6 mph) | 0.25 mm (0.01 in) | 2SM |
| | KDEW 160232Z AUTO 03004KT 2SM -SN BR OVC011 M02/M02 A2993 RMK AO2 P0001 |
| 18:24 PST |  Overcast Light Snow | -2°C / 28°F | -2°C / 28°F | 100% | 1014 mb (29.94 in) | NE 9 kph (NE 5.8 mph) | 0.25 mm (0.01 in) | 3SM |
| | KDEW 160224Z AUTO 03005KT 3SM -SN BR OVC013 M02/M02 A2993 RMK AO2 P0001 |
| 17:53 PST |  Overcast Light Snow | -2°C / 28°F | -2°C / 28°F | 100% | 1014 mb (29.94 in) | NE 11 kph (NE 6.9 mph) | 0.51 mm (0.02 in) | 2 1/2SM |
| | KDEW 160153Z AUTO 04006KT 2 1/2SM -SN BR OVC008 M02/M02 A2993 RMK AO2 SLP160 P0002 T10171022 |
| 17:27 PST |  Overcast Light Snow | -2°C / 28°F | -2°C / 28°F | 100% | 1014 mb (29.94 in) | NE 7 kph (NE 4.6 mph) | 0.25 mm (0.01 in) | 2SM |
| | KDEW 160127Z AUTO 03004KT 2SM -SN BR OVC008 M02/M02 A2994 RMK AO2 P0001 |
| 17:10 PST |  Overcast Light Snow | -2°C / 28°F | -2°C / 28°F | 100% | 1014 mb (29.94 in) | NE 9 kph (NE 5.8 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KDEW 160110Z AUTO 05005KT 1 1/2SM -SN BR OVC008 M02/M02 A2993 RMK AO2 P0000 |
| 16:53 PST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb (29.94 in) | NE 11 kph (NE 6.9 mph) | 1.02 mm (0.04 in) | 2 1/2SM |
| | KDEW 160053Z AUTO 04006KT 2 1/2SM -SN BR OVC008 M01/M02 A2994 RMK AO2 SLP163 P0004 T10111022 |
| 16:42 PST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb (29.94 in) | ENE 9 kph (ENE 5.8 mph) | 0.76 mm (0.03 in) | 2 1/2SM |
| | KDEW 160042Z AUTO 06005KT 2 1/2SM -SN BR OVC008 M01/M02 A2993 RMK AO2 P0003 |
| 16:16 PST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb (29.94 in) | NNE 6 kph (NNE 3.5 mph) | 0.51 mm (0.02 in) | 1 3/4SM |
| | KDEW 160016Z AUTO 02003KT 1 3/4SM -SN BR OVC008 M01/M02 A2995 RMK AO2 P0002 |
| 15:53 PST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb (29.94 in) | NE 7 kph (NE 4.6 mph) | 0.76 mm (0.03 in) | 1SM |
| | KDEW 152353Z AUTO 03004KT 1SM -SN BR OVC010 M01/M02 A2994 RMK AO2 SLP165 P0003 60013 T10111017 11006 21028 55003 |
| 15:49 PST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb (29.94 in) | NE 9 kph (NE 5.8 mph) | 0.76 mm (0.03 in) | 1SM |
| | KDEW 152349Z AUTO 04005KT 1SM -SN BR FEW003 OVC010 M01/M02 A2994 RMK AO2 P0003 |
| 15:42 PST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb (29.94 in) | NE 9 kph (NE 5.8 mph) | 0.76 mm (0.03 in) | 1SM |
| | KDEW 152342Z AUTO 03005KT 1SM -SN BR OVC010 M01/M02 A2995 RMK AO2 P0003 |
| 15:25 PST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb (29.94 in) | NE 9 kph (NE 5.8 mph) | 0.51 mm (0.02 in) | 1 1/4SM |
| | KDEW 152325Z AUTO 04005KT 1 1/4SM -SN BR BKN008 OVC019 M01/M02 A2995 RMK AO2 P0002 |
| 15:01 PST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb (29.94 in) | NE 7 kph (NE 4.6 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KDEW 152301Z AUTO 05004KT 3/4SM -SN BR FEW003 OVC008 M01/M02 A2995 RMK AO2 P0000 |
| 14:53 PST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb (29.94 in) | ENE 9 kph (ENE 5.8 mph) | 0.76 mm (0.03 in) | 1SM |
| | KDEW 152253Z AUTO 06005KT 1SM -SN BR SCT003 OVC010 M01/M02 A2995 RMK AO2 FZRAE23SNB23 SLP168 P0003 T10111017 |
| 14:46 PST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb (29.94 in) | NE 9 kph (NE 5.8 mph) | 0.51 mm (0.02 in) | 1 1/4SM |
| | KDEW 152246Z AUTO 05005KT 1 1/4SM -SN BR SCT003 OVC012 M01/M02 A2995 RMK AO2 FZRAE23SNB23 P0002 |
| 14:29 PST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb (29.94 in) | NE 7 kph (NE 4.6 mph) | 0.25 mm (0.01 in) | 1SM |
| | KDEW 152229Z AUTO 04004KT 1SM -SN BR OVC003 M01/M02 A2995 RMK AO2 FZRAE23SNB23 P0001 |
| 14:12 PST |  Overcast Light Freezing Rain | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb (29.94 in) | NE 6 kph (NE 3.5 mph) | 0.00 mm (0.00 in) | 1SM |
| | KDEW 152212Z AUTO 03003KT 1SM -FZRA BR BKN003 OVC006 M01/M02 A2995 RMK AO2 CIG 002V006 P0000 |
| 13:53 PST |  Overcast Light Freezing Rain | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb (29.94 in) | NE 7 kph (NE 4.6 mph) | 0.51 mm (0.02 in) | 1 1/4SM |
| | KDEW 152153Z AUTO 03004KT 1 1/4SM -FZRA BR SCT003 OVC008 M01/M02 A2995 RMK AO2 FZRAB2057 CIG 006V010 SLP168 P0002 T10111017 |
| 13:51 PST |  Overcast Light Freezing Rain | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb (29.94 in) | NE 9 kph (NE 5.8 mph) | 0.51 mm (0.02 in) | 1 1/4SM |
| | KDEW 152151Z AUTO 04005KT 1 1/4SM -FZRA BR SCT003 OVC008 M01/M02 A2995 RMK AO2 FZRAB2057 CIG 006V010 P0002 |
| 13:03 PST |  Overcast Light Freezing Rain | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb (29.94 in) | NE 7 kph (NE 4.6 mph) | 0.25 mm (0.01 in) | 1SM |
| | KDEW 152103Z AUTO 03004KT 1SM -FZRA BR OVC003 M01/M02 A2995 RMK AO2 FZRAB2057 CIG 002V006 P0001 |
| 12:53 PST |  Overcast Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1014 mb (29.94 in) | N 6 kph (N 3.5 mph) | 0.51 mm (0.02 in) | 1 1/4SM |
| | KDEW 152053Z AUTO 01003KT 1 1/4SM BR BKN003 OVC013 M01/M02 A2995 RMK AO2 FZRAE52 CIG 002V006 SLP168 P0002 60005 T10111022 58005 |
| 11:53 PST |  Overcast Light Freezing Rain | -2°C / 28°F | -2°C / 28°F | 100% | 1015 mb (29.97 in) | Calm | 0.76 mm (0.03 in) | 1SM |
| | KDEW 151953Z AUTO 00000KT 1SM -FZRA BR BKN003 OVC007 M02/M02 A2996 RMK AO2 FZRAB1857 SLP172 P0003 T10171022 |
| 11:22 PST |  Overcast Light Freezing Rain | -2°C / 28°F | -3°C / 27°F | 93% | 1015 mb (29.97 in) | Calm | 0.51 mm (0.02 in) | 1 1/4SM |
| | KDEW 151922Z AUTO 00000KT 1 1/4SM -FZRA BR OVC003 M02/M03 A2996 RMK AO2 FZRAB1857 P0002 |
| 11:03 PST |  Overcast Light Freezing Rain | -2°C / 28°F | -3°C / 27°F | 93% | 1015 mb (29.97 in) | NE 7 kph (NE 4.6 mph) | 0.25 mm (0.01 in) | 1 1/4SM |
| | KDEW 151903Z AUTO 04004KT 1 1/4SM -FZRA BR OVC005 M02/M03 A2996 RMK AO2 FZRAB1857 CIG 002V006 P0001 |
| 10:53 PST |  Overcast Fog And Mist | -3°C / 27°F | -3°C / 27°F | 100% | 1015 mb (29.97 in) | Calm | - | 1 1/2SM |
| | KDEW 151853Z AUTO 00000KT 1 1/2SM BR OVC005 M03/M03 A2997 RMK AO2 SLP174 T10281033 |
| 10:48 PST |  Overcast Fog And Mist | -3°C / 27°F | -3°C / 27°F | 100% | 1015 mb (29.97 in) | Calm | - | 1 3/4SM |
| | KDEW 151848Z AUTO 00000KT 1 3/4SM BR OVC005 M03/M03 A2997 RMK AO2 |
| 10:01 PST |  Overcast Fog And Mist | -3°C / 27°F | -3°C / 27°F | 100% | 1015 mb (29.97 in) | NNE 6 kph (NNE 3.5 mph) | - | 5SM |
| | KDEW 151801Z AUTO 02003KT 5SM BR OVC005 M03/M03 A2997 RMK AO2 CIG 003V006 |
| 09:53 PST |  Overcast Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1015 mb (29.97 in) | NE 6 kph (NE 3.5 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KDEW 151753Z AUTO 03003KT 2 1/2SM BR OVC005 M03/M04 A2997 RMK AO2 CIG 003V006 SLP174 P0001 60009 T10281039 11028 21056 51011 |
| 09:47 PST |  Overcast Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1015 mb (29.97 in) | NE 6 kph (NE 3.5 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KDEW 151747Z AUTO 03003KT 2 1/2SM BR OVC005 M03/M04 A2997 RMK AO2 CIG 003V007 P0001 |
| 08:53 PST |  Overcast Fog And Mist | -3°C / 27°F | -4°C / 25°F | 93% | 1014 mb (29.94 in) | N 7 kph (N 4.6 mph) | 0.25 mm (0.01 in) | 4SM |
| | KDEW 151653Z AUTO 01004KT 4SM BR OVC007 M03/M04 A2995 RMK AO2 FZRAE46 SLP171 P0001 T10331044 |
| 08:42 PST |  Overcast Light Freezing Rain | -3°C / 27°F | -4°C / 25°F | 93% | 1014 mb (29.94 in) | NNE 7 kph (NNE 4.6 mph) | 0.25 mm (0.01 in) | 3SM |
| | KDEW 151642Z AUTO 02004KT 3SM -FZRA BR OVC007 M03/M04 A2995 RMK AO2 P0001 |
| 08:00 PST |  Overcast Light Freezing Rain | -4°C / 25°F | -5°C / 23°F | 93% | 1014 mb (29.94 in) | NNE 9 kph (NNE 5.8 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KDEW 151600Z AUTO 02005KT 1 1/4SM -FZRA BR BKN007 OVC011 M04/M05 A2994 RMK AO2 P0000 |
| 07:53 PST |  Overcast Light Freezing Rain | -4°C / 25°F | -5°C / 23°F | 93% | 1014 mb (29.94 in) | NNE 9 kph (NNE 5.8 mph) | 0.76 mm (0.03 in) | 1 3/4SM |
| | KDEW 151553Z AUTO 02005KT 1 3/4SM -FZRA BR FEW003 SCT007 OVC011 M04/M05 A2993 RMK AO2 SLP162 P0003 T10391050 |
| 07:50 PST |  Overcast Light Freezing Rain | -4°C / 25°F | -5°C / 23°F | 93% | 1014 mb (29.94 in) | NE 9 kph (NE 5.8 mph) | 0.76 mm (0.03 in) | 2SM |
| | KDEW 151550Z AUTO 03005KT 2SM -FZRA BR FEW003 SCT007 OVC011 M04/M05 A2993 RMK AO2 P0003 |
| 07:14 PST |  Overcast Light Freezing Rain | -4°C / 25°F | -5°C / 23°F | 93% | 1013 mb (29.91 in) | NE 9 kph (NE 5.8 mph) | 0.25 mm (0.01 in) | 2SM |
| | KDEW 151514Z AUTO 03005KT 2SM -FZRA BR OVC009 M04/M05 A2992 RMK AO2 P0001 |
| 07:00 PST |  Overcast Light Freezing Rain | -4°C / 25°F | -6°C / 21°F | 86% | 1013 mb (29.91 in) | NNE 7 kph (NNE 4.6 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KDEW 151500Z AUTO 02004KT 1 3/4SM -FZRA BR OVC009 M04/M06 A2992 RMK AO2 P0000 |
| 06:53 PST |  Overcast Light Freezing Rain | -4°C / 25°F | -6°C / 21°F | 86% | 1013 mb (29.91 in) | N 7 kph (N 4.6 mph) | 0.25 mm (0.01 in) | 2SM |
| | KDEW 151453Z AUTO 01004KT 2SM -FZRA BR OVC011 M04/M06 A2992 RMK AO2 FZRAB49SNE39 CIG 009V013 SLP160 P0001 60004 T10441056 53005 |
| 06:41 PST |  Overcast Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1013 mb (29.91 in) | NNE 6 kph (NNE 3.5 mph) | 0.25 mm (0.01 in) | 2SM |
| | KDEW 151441Z AUTO 02003KT 2SM BR OVC011 M05/M06 A2992 RMK AO2 SNE39 P0001 |
| 06:24 PST |  Overcast Light Snow | -5°C / 23°F | -7°C / 19°F | 86% | 1013 mb (29.91 in) | NE 6 kph (NE 3.5 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KDEW 151424Z AUTO 03003KT 1 1/2SM -SN BR OVC011 M05/M07 A2991 RMK AO2 P0000 |
| 05:53 PST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1013 mb (29.91 in) | N 9 kph (N 5.8 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KDEW 151353Z AUTO 36005KT 2 1/2SM -SN BR BKN013 OVC017 M06/M07 A2991 RMK AO2 SLP157 P0001 T10561067 |
| 05:34 PST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1013 mb (29.91 in) | NE 6 kph (NE 3.5 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KDEW 151334Z AUTO 04003KT 1 3/4SM -SN BR OVC013 M06/M07 A2990 RMK AO2 P0000 |
| 05:10 PST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1013 mb (29.91 in) | NNE 7 kph (NNE 4.6 mph) | 0.00 mm (0.00 in) | 2SM |
| | KDEW 151310Z AUTO 02004KT 2SM -SN BR BKN013 OVC020 M06/M07 A2991 RMK AO2 P0000 |
| 04:53 PST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1013 mb (29.91 in) | NE 7 kph (NE 4.6 mph) | 0.51 mm (0.02 in) | 1 1/4SM |
| | KDEW 151253Z AUTO 03004KT 1 1/4SM -SN BR BKN013 OVC020 M06/M07 A2990 RMK AO2 SLP154 P0002 T10561067 |
| 04:38 PST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1013 mb (29.91 in) | NNE 7 kph (NNE 4.6 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KDEW 151238Z AUTO 02004KT 1 3/4SM -SN BR OVC013 M06/M07 A2990 RMK AO2 P0001 |
| 04:26 PST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1013 mb (29.91 in) | NE 7 kph (NE 4.6 mph) | 0.25 mm (0.01 in) | 4SM |
| | KDEW 151226Z AUTO 03004KT 4SM -SN BR OVC013 M06/M07 A2990 RMK AO2 P0001 |
| 04:14 PST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1013 mb (29.91 in) | N 7 kph (N 4.6 mph) | 0.25 mm (0.01 in) | 2SM |
| | KDEW 151214Z AUTO 01004KT 2SM -SN BR SCT004 OVC013 M06/M07 A2990 RMK AO2 P0001 |
| 04:07 PST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1013 mb (29.91 in) | N 7 kph (N 4.6 mph) | 0.25 mm (0.01 in) | 1 1/2SM |
| | KDEW 151207Z AUTO 01004KT 1 1/2SM -SN BR BKN004 BKN013 OVC023 M06/M07 A2990 RMK AO2 P0001 |
| 03:53 PST |  Obscured Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1013 mb (29.91 in) | N 9 kph (N 5.8 mph) | 1.78 mm (0.07 in) | 1/2SM |
| | KDEW 151153Z AUTO 01005KT 1/2SM SN FZFG VV003 M06/M07 A2990 RMK AO2 SLP154 P0007 60024 70026 T10561067 11056 21056 58010 |
| 02:53 PST |  Obscured Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1013 mb (29.91 in) | N 7 kph (N 4.6 mph) | 1.52 mm (0.06 in) | 3/4SM |
| | KDEW 151053Z AUTO 01004KT 3/4SM -SN BR VV003 M06/M07 A2992 RMK AO2 SLP157 P0006 T10561067 |
| 02:39 PST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1013 mb (29.91 in) | NNE 11 kph (NNE 6.9 mph) | 1.02 mm (0.04 in) | 3/4SM |
| | KDEW 151039Z AUTO 02006KT 3/4SM -SN BR BKN003 OVC016 M06/M07 A2992 RMK AO2 P0004 |
| 02:10 PST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1014 mb (29.94 in) | N 15 kph (N 9.2 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KDEW 151010Z AUTO 01008KT 3/4SM -SN BR BKN005 OVC019 M06/M07 A2993 RMK AO2 P0001 |
| 01:53 PST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1014 mb (29.94 in) | NNE 15 kph (NNE 9.2 mph) | 1.02 mm (0.04 in) | 1SM |
| | KDEW 150953Z AUTO 02008KT 1SM -SN BR FEW005 OVC019 M06/M07 A2993 RMK AO2 SLP162 P0004 T10561072 |
| 00:53 PST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1014 mb (29.94 in) | NNE 15 kph (NNE 9.2 mph) | 0.51 mm (0.02 in) | 1 1/4SM |
| | KDEW 150853Z AUTO 02008KT 1 1/4SM -SN BR OVC019 M06/M07 A2994 RMK AO2 SLP163 P0002 60007 T10561072 56022 |